 
| Old No. | X-4-ZZ |  Two Shields ZZ | |
| Dimensions (metric) | d | 4 | |
| D | 10 | ||
| B | 4 | ||
| Approx. Wgt. lbs | .0035 | ||
| Interchange | ADR | X4ZZ | |
| ISC | MR104ZZS | ||
| Nachi | 4M10ZZ | ||
| NMB | L-1040ZZ | ||
| NTN | WBC4-10ZZA | ||
| RMB | - | ||
| SKF | X4ZZ | ||
| 1)  Also available with one shield - suffix “Z”. No change in width dimensions. | |||
| Model No. | Inner Diameter | Outer Diameter | Width | Brand | Type | 
| 30BER20XV1V | 30 | 55 | 16 | NSK | Angular Contact Ball Bearings | 
|---|---|---|---|---|---|
| 33108/Q | 40 | 75 | 26 | SKF | Tapered Roller Bearings | 
| 51210 | 50 | 78 | 22 | ZEN | Thrust Ball Bearings | 
| 6920DDU | 100 | 140 | 20 | NSK | Deep Groove Ball Bearings | 
| 7310 BECBM | 110 | 50 | 27 | SKF | Angular Contact Ball Bearings | 
| B-86 | 12,7 | 17,463 | 9,53 | Timken | Needle Roller Bearings | 
| GE 120 TXA-2LS | 180 | 120 | 85 | SKF | Plain Bearings | 
| BXRE007-2HRS | 35 | 62 | 14 | INA | Needle Roller Bearings | 
| NF3240 | 200 | 360 | 128 | ISO | Cylindrical Roller Bearings | 
| RCJT55 | 55 | NKE | Bearing Units | ||
| RNA 4944 | 245 | 300 | 80 | IKO | Needle Roller Bearings | 
| UCFL210-31E | 49,2125 | KOYO | Bearing Units | ||
| NUP2044E | 220 | 340 | 72 | FAG | CYLINDRICAL ROLLER BEARINGS | 
| MM30BS72 | 30 | 72 | 15 | FAF | ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS | 
| W-13/8 | FAG | THRUST BALL BEARINGS | |||
| UC206-102D1 | 1.1250 | 2.4400 | .7870 | NTN | PILLOW BLOCKS | 
| NUP438 | 190 | 460 | 98 | SKF | CYLINDRICAL ROLLER BEARINGS | 
| SNW109x17/16 | 45 | 65 | Torrington | ADAPTERS | |
| HJ-328E | 140 | 15 | CONSOLIDATED | CYLINDRICAL ROLLER BEARINGS | |
| GEH-60ES-2RS | 60 | 105 | 63 | CONSOLIDATED | SPHERICAL PLAIN BEARINGS | 
Hot number:NSK 1216 K NKE 24036-MB-W33 NACHI 6209 SKF BTW 90 CTN9/SP NSK HR110KBE52X+L NKE NJ319-E-MPA ISO RNA4902 FYH UCFC207 SKF SA15C NTN SAR2-20 ISB T.P.N. 330 SKF VKBA 1985 FAG NF226 FAG KR22C2RS CONSOLIDATED K-100x108x27 NACHI 30332 KOYO 3NCHAC007C NKE 6021-Z SKF C 39/1060 MB CX CX334 KBC HC6308 Timken LM67048/LM67014 NKE K 81244-MB Timken K10X13X16 SNR ML71920CVUJ74S NACHI NU 2305 FAG 72/710B.MP.U(A/O) SKF NNU4926BKSPW33 SKF GEZ108TE.2RS CONSOLIDATED 6012-RSNR
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